space

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Across
  1. 3. unstoppable object of space matter
  2. 5. biggest planet in the solar system
  3. 6. biggest celestial object in our solar system
  4. 8. the home of every galaxy we know of
  5. 9. closest planet to the sun
Down
  1. 1. our planets neighborhood
  2. 2. our galaxy
  3. 4. 670,616,629 mph
  4. 7. hottest planet in the solar system